AKD4420-SC Datasheet, PDF (5/22 Pages) Asahi Kasei Microsystems – AK4420 Evaluation Board Rev.2

[AKD4420-SC]





Measurement Results
[Measurement condition]
• Measurement unit
• MCLK
• BICK
• fs
• Bit
• Power Supply
• Interface
• Temperature
: Audio Precision System two Cascade (AP2)
: 512fs, 256fs, 128fs
: 64fs
: 44.1kHz, 96kHz, 192kHz
: 24bit
: VDD=CVDD=5V
: DIR
: Room
Table Data
fs=44.1kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
20kLPF
20kLPF, A-weighted
20kLPF, A-weighted
Lch
92.3
105.1
106.0
fs=96kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Lch
92.2
105.7
105.9
fs=192kHz
Parameter
S/(N+D)
DR
S/N
Input signal
1kHz, 0dB
1kHz, -60dB
“0” data
Measurement filter
40kLPF
40kLPF, A-weighted
40kLPF, A-weighted
Lch
93.0
105.2
105.4
Rch
92.3
105.1
105.7
Rch
92.2
105.3
105.7
Rch
92.8
105.1
105.3
KM091904







2009/07